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Do You Know
Questions & Answers on General Knowledge.

Question:
Why are batteries so expensive?
Answer:
They contain highly purified and refined chemicals and are actually marvels of engineering. It's more surprising to me that they are so cheap, given how complicated they are to make.
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  • Precaution while using LPG

    Keep children away from all LPG appliances

    It is responsibility of parents to ensure that their children do not operate any LPG appliance under any circumstance. These young ones are naturally curious; they might wish to explore how these appliances function. Their curiosity could prove costly to the house and its occupants. Parents should ensure that their children do not gain access to these LPG appliances because kids do not have the knowhow to operate these machines.


    Chourishi Systems